The whole map is blank with some of the countries being Whitted (see screenshot) upon clicking on map error is displayed: "TypeError: undefined is not
This issue is being observed on Piwik Cloud
Tested on different browsers - works fine
I can reproduce it on my own Piwik 2.7.0 instance, but on master, the demo instance and Piwik cloud the map displays correctly (2.8.0).
I guess we can close if this is fixed in 2.8.0?